Franklin County (Columbus)
September
Weather in Franklin County, Ohio for September 2027
Your guide to Franklin County weather in September - trends and predictions
In general, the average temperature in Franklin County at the beginning of September is 27.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.9 °F by the end of September.
Franklin County experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 139.9 mm.
Is September a good time to visit Franklin County? check out the best time to travel to Franklin County page.
✨ Is September a good time to visit Franklin County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
21
Dry days
9
Rainy days
0
Snow days
26°/15°
Temperatures
14 km/h
Avg max wind
67 %
Avg humidity
Franklin County Weather September
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Temperatures trend during September in Franklin County
See the weather trend as well as the moving average line
September weather in Franklin County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 29° /16° | 0.9 mm | 7 | |
| Sept. 2 |  Sunny | 29° /16° | 0 mm | 7 | |
| Sept. 3 | Patchy rain possible | 29° /16° | 1 mm | 7 | |
| Sept. 4 |  Moderate rain | 29° /17° | 11.6 mm | 7 | |
| Sept. 5 |  Heavy rain | 28° /17° | 29.4 mm | 6 | |
| Sept. 6 |  Light rain | 26° /17° | 6.5 mm | 6 | |
| Sept. 7 | Sunny | 25° /14° | 0.2 mm | 6 | |
| Sept. 8 | Patchy rain possible | 26° /13° | 2 mm | 6 | |
| Sept. 9 | Patchy rain possible | 27° /15° | 1.8 mm | 6 | |
| Sept. 10 | Sunny | 26° /16° | 0.5 mm | 6 | |
| Sept. 11 | Sunny | 27° /16° | 0.9 mm | 6 | |
| Sept. 12 | Light rain | 27° /16° | 3.5 mm | 6 | |
| Sept. 13 |  Overcast | 27° /16° | 0.6 mm | 6 | |
| Sept. 14 | Sunny | 27° /15° | 0 mm | 7 | |
| Sept. 15 | Patchy rain possible | 28° /15° | 1.4 mm | 7 | |
| Sept. 16 | Patchy rain possible | 28° /16° | 1.6 mm | 6 | |
| Sept. 17 | Patchy rain possible | 27° /16° | 1.8 mm | 6 | |
| Sept. 18 | Patchy rain possible | 27° /18° | 1.4 mm | 6 | |
| Sept. 19 | Light rain | 27° /17° | 3.5 mm | 6 | |
| Sept. 20 |  Heavy rain at times | 28° /17° | 8.2 mm | 5 | |
| Sept. 21 | Light rain | 26° /18° | 3 mm | 5 | |
| Sept. 22 | Moderate rain | 24° /15° | 14.8 mm | 5 | |
| Sept. 23 | Moderate rain | 20° /13° | 11 mm | 4 | |
| Sept. 24 | Moderate rain | 23° /14° | 23.1 mm | 5 | |
| Sept. 25 |  Fog | 22° /14° | 0.9 mm | 5 | |
| Sept. 26 | Sunny | 23° /13° | 0.2 mm | 5 | |
| Sept. 27 | Light rain | 23° /13° | 3.9 mm | 6 | |
| Sept. 28 | Patchy rain possible | 22° /14° | 1.8 mm | 5 | |
| Sept. 29 | Patchy rain possible | 24° /14° | 2.1 mm | 6 | |
| Sept. 30 | Patchy rain possible | 23° /13° | 2.4 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Franklin County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Franklin County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Franklin County in September - FAQ
What are the expected maximum and minimum temperatures in Franklin County during September?
During September, expect a variety of temperatures with highs around 26° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Franklin County during September?
Significant rainfall exceeding 139.9 mm is expected in Franklin County during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Franklin County during September?
The average wind speed in Franklin County during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Franklin County
Explore the daily rainfall trends and prepare for Franklin Countys September weather 💧
Typically, Franklin County has 9 rainy days in September with a total of 139.9 mm of rainfall.
UV exposure in Franklin County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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